/*
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 * and open the template in the editor.
 */
package LDAPManager;

import LDAPAPI.AnvilLDAP;
import LDAPAPI.Exceptions.LDAPConnectionException;
import java.io.IOException;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author anvil
 */
@WebServlet(name = "Connect", urlPatterns = {"/Connect"})
public class Connect extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        String url = request.getParameter("inputURL");
        String port = request.getParameter("inputPort");
        String admin = request.getParameter("inputAdministrator");
        String password = request.getParameter("inputPassword");

        HttpSession session = request.getSession();

        if (url != null && !url.equals("")
                && admin != null && !admin.equals("")
                && password != null && !password.equals("")
                && port != null && !port.equals("")) {

            AnvilLDAP ldap = new AnvilLDAP();

            try {
                ldap.connect(url, Integer.parseInt(port), admin, password.toCharArray());

                session.setAttribute("ldap", ldap);

                RequestDispatcher rd = request.getServletContext().getRequestDispatcher("/LDAPManager.jsp");
                rd.forward(request, response);
            } catch (NumberFormatException | LDAPConnectionException e) {
                session.setAttribute("ldap", null);
                request.setAttribute("error", "Invalid Credentials.");
                RequestDispatcher rd = request.getServletContext().getRequestDispatcher("/index.jsp");
                rd.forward(request, response);
            }
        } else {
            session.setAttribute("ldap", null);
            request.setAttribute("error", "Not All credentials were filled out.");
            RequestDispatcher rd = request.getServletContext().getRequestDispatcher("/index.jsp");
            rd.forward(request, response);
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
